A 3-5 GHz impulse radio UWB transceiver IC optimized for precision localization at longer ranges

Abstract

In this paper an impulse radio UWB transmitter and receiver IC for precision localization sensor network at longer ranges is presented. Fabricated from a commercial low cost 2 µ m GaAs HBT technology, the transmitter features high output peak power, high efficiency at a low power consumption. A variable output peak power up to 20 dBm is measured with a total power consumption of 15 mW. The receiver uses non-coherent detection and has a variable front-end conversion gain up to 35 dB and a tangential signal sensitivity (TSS) of −65 dBm. Sensor network constructed with the chips shows a localization error within 10 cm covering a 100 × 100 m2 area.